1277818880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 3426040800

約数和(自身を除く): 2148221920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 208, 232, 256, 260, 290, 320, 331, 377, 416, 464, 512, 520, 580, 640, 662, 754, 832, 928, 1024, 1040, 1160, 1280, 1324, 1508, 1655, 1664, 1856, 1885, 2048, 2080, 2320, 2560, 2648, 3016, 3310, 3328, 3712, 3770, 4160, 4303, 4640, 5120, 5296, 6032, 6620, 6656, 7424, 7540, 8320, 8606, 9280, 9599, 10240, 10592, 12064, 13240, 13312, 14848, 15080, 16640, 17212, 18560, 19198, 21184, 21515, 24128, 26480, 26624, 29696, 30160, 33280, 34424, 37120, 38396, 42368, 43030, 47995, 48256, 52960, 59392, 60320, 66560, 68848, 74240, 76792, 84736, 86060, 95990, 96512, 105920, 120640, 124787, 133120, 137696, 148480, 153584, 169472, 172120, 191980, 193024, 211840, 241280, 249574, 275392, 296960, 307168, 338944, 344240, 383960, 386048, 423680, 482560, 499148, 550784, 614336, 623935, 677888, 688480, 767920, 772096, 847360, 965120, 998296, 1101568, 1228672, 1247870, 1376960, 1535840, 1694720, 1930240, 1996592, 2203136, 2457344, 2495740, 2753920, 3071680, 3389440, 3860480, 3993184, 4406272, 4914688, 4991480, 5507840, 6143360, 7986368, 8812544, 9829376, 9982960, 11015680, 12286720, 15972736, 19658752, 19965920, 22031360, 24573440, 31945472, 39931840, 44062720, 49146880, 63890944, 79863680, 98293760, 127781888, 159727360, 255563776, 319454720, 638909440, 1277818880]

約数ペア:

[(1, 1277818880), (2, 638909440), (4, 319454720), (5, 255563776), (8, 159727360), (10, 127781888), (13, 98293760), (16, 79863680), (20, 63890944), (26, 49146880), (29, 44062720), (32, 39931840), (40, 31945472), (52, 24573440), (58, 22031360), (64, 19965920), (65, 19658752), (80, 15972736), (104, 12286720), (116, 11015680), (128, 9982960), (130, 9829376), (145, 8812544), (160, 7986368), (208, 6143360), (232, 5507840), (256, 4991480), (260, 4914688), (290, 4406272), (320, 3993184), (331, 3860480), (377, 3389440), (416, 3071680), (464, 2753920), (512, 2495740), (520, 2457344), (580, 2203136), (640, 1996592), (662, 1930240), (754, 1694720), (832, 1535840), (928, 1376960), (1024, 1247870), (1040, 1228672), (1160, 1101568), (1280, 998296), (1324, 965120), (1508, 847360), (1655, 772096), (1664, 767920), (1856, 688480), (1885, 677888), (2048, 623935), (2080, 614336), (2320, 550784), (2560, 499148), (2648, 482560), (3016, 423680), (3310, 386048), (3328, 383960), (3712, 344240), (3770, 338944), (4160, 307168), (4303, 296960), (4640, 275392), (5120, 249574), (5296, 241280), (6032, 211840), (6620, 193024), (6656, 191980), (7424, 172120), (7540, 169472), (8320, 153584), (8606, 148480), (9280, 137696), (9599, 133120), (10240, 124787), (10592, 120640), (12064, 105920), (13240, 96512), (13312, 95990), (14848, 86060), (15080, 84736), (16640, 76792), (17212, 74240), (18560, 68848), (19198, 66560), (21184, 60320), (21515, 59392), (24128, 52960), (26480, 48256), (26624, 47995), (29696, 43030), (30160, 42368), (33280, 38396), (34424, 37120)]